2. Algebraic formulas (algebraic expressions, fractions)

3. Inequality and unequal groups

4. Equations and equations (linear equations in one variable, linear equations in two variables, quadratic equations in one variable, fractional equations)

5. Functions (linear function, quadratic function, inverse proportional function)

6. Triangle

7.quadrilateral

8. Circle

9. Similar shapes

10, solving right triangle (acute trigonometric function)

1 1, views and projections

12 statistics

13, probability

14, graphics conversion